S
M
T
W
T
F
S
31
76°
43°
1
79°
49°
2
77°
47°
3
83°
48°
4
85°
54°
5
82°
66°
6
83°
63°
7
77°
54°
8
85°
69°
9
82°
69°
10
88°
72°
11
87°
64°
12
81°
63°
13
83°
63°
14
79°
56°
15
76°
58°
16
73°
58°
17
74°
59°
18
76°
63°
19
75°
61°
20
76°
60°
21
80°
65°
22
76°
65°
23
76°
64°
24
80°
66°
25
78°
65°
26
78°
67°
27
83°
64°
28
76°
64°
29
77°
63°
30
79°
66°
1
80°
65°
2
78°
61°
3
78°
66°
4
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Johns
St. Johns's June 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 54° and 72°. The average high for June is 79° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in St. Johns. See also: July | August | September.
